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authorliamwhite <liamwhite@users.noreply.github.com>2023-01-29 12:27:26 -0500
committerGitHub <noreply@github.com>2023-01-29 12:27:26 -0500
commit208e635f370d7cf90b80e9a5301f161283eefd8b (patch)
tree830bb769857629e25b0e43fefd79d8bfe0b231e9 /src/shader_recompiler/backend/spirv
parentd960723dc9ca10aa7bd1f609473f8de65e84a45e (diff)
parent2c2e019a44e353921d5fdf3cc6ab4304502eb2bd (diff)
Merge pull request #9694 from ameerj/txq-mips
shader_recompiler: TXQ: Skip QueryLevels when possible
Diffstat (limited to 'src/shader_recompiler/backend/spirv')
-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_image.cpp6
-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_instructions.h3
2 files changed, 6 insertions, 3 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
index c898ce12f8..3b969d915e 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
@@ -445,11 +445,13 @@ Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id c
TextureImage(ctx, info, index), coords, operands.MaskOptional(), operands.Span());
}
-Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod) {
+Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod,
+ const IR::Value& skip_mips_val) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const Id image{TextureImage(ctx, info, index)};
const Id zero{ctx.u32_zero_value};
- const auto mips{[&] { return ctx.OpImageQueryLevels(ctx.U32[1], image); }};
+ const bool skip_mips{skip_mips_val.U1()};
+ const auto mips{[&] { return skip_mips ? zero : ctx.OpImageQueryLevels(ctx.U32[1], image); }};
switch (info.type) {
case TextureType::Color1D:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[1], image, lod),
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h b/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
index db12e81766..a440b557d5 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
@@ -539,7 +539,8 @@ Id EmitImageGatherDref(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
const IR::Value& offset, const IR::Value& offset2, Id dref);
Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id offset,
Id lod, Id ms);
-Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod);
+Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod,
+ const IR::Value& skip_mips);
Id EmitImageQueryLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords);
Id EmitImageGradient(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
Id derivates, Id offset, Id lod_clamp);